Home / 14,486.12-19,994.82-13,501.16

Finding the Fourth Proportional to 14,486.12, 19,994.82 and 13,501.16

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Solution

The fourth proportional to 14,486.12, 19,994.82 and 13,501.16 is: 18,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.12 : 19,994.82 = 13,501.16 : x
  2. Step 2: Convert to fraction form
    14,486.12/19,994.82 = 13,501.16/x
  3. Step 3: Cross multiply
    14,486.12x = 19,994.82 × 13,501.16
  4. Step 4: Simplify right side
    14,486.12x = 269,953,263.99
  5. Step 5: Solve for x
    x = 269,953,263.99/14,486.12
  6. Step 6: Final answer
    x = 18,635.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.